TONIGHT: Broadcaster and author of "And They All Sang: Adventures of an Eclectic Disc Jockey", Studs Terkel! Also, Senator John McCain stops by to defend his decision to talk in front of Liberty University students.

TONIGHT: The author of American Gospel: God, the Founding Fathers, and the Making of a Nation, Jon Meacham! Also, Ed Helms travels to Alaska to find out about the enormous population of bald eagles in one small town.